From: Matthew Brost <matthew.brost@intel.com>
Date: Wed, 23 Apr 2025 17:17:25 +0000 (-0700)
Subject: drm/xe: Abort printing coredump in VM printer output if full
X-Git-Tag: v6.16-rc1~144^2~17^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=238ae3be582070aedd91c75f07483fbb2a77fc45;p=thirdparty%2Fkernel%2Flinux.git

drm/xe: Abort printing coredump in VM printer output if full

Abort printing coredump in VM printer output if full. Helps speedup
large coredumps which need to walked multiple times in
xe_devcoredump_read.

v2:
 - s/drm_printer_is_full/drm_coredump_printer_is_full (Jani)

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250423171725.597955-5-matthew.brost@intel.com
---

diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 0c69ef6b5ec5c..80e56e2326854 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -3866,6 +3866,9 @@ void xe_vm_snapshot_print(struct xe_vm_snapshot *snap, struct drm_printer *p)
 		}
 
 		drm_puts(p, "\n");
+
+		if (drm_coredump_printer_is_full(p))
+			return;
 	}
 }